MVTable (H2 Database Engine 2.0.0 API)

java.lang.Object
- org.h2.engine.DbObject
- - org.h2.schema.SchemaObject
  - - org.h2.table.Table
    - - org.h2.table.TableBase
      - org.h2.mvstore.db.MVTable

所有已实现的接口:

HasSQL
```
public class MVTable
extends TableBase
```
A table stored in a MVStore.

字段概要

字段
限定符和类型	字段和说明
`static DebuggingThreadLocal<ArrayList<String>>`	`EXCLUSIVE_LOCKS` The table names this thread has exclusively locked.
`static DebuggingThreadLocal<ArrayList<String>>`	`SHARED_LOCKS` The tables names this thread has a shared lock on.
`static DebuggingThreadLocal<String>`	`WAITING_FOR_LOCK` The table name this thread is waiting to lock.

从类继承的字段 org.h2.table.Table
columns, compareMode, EXCLUSIVE_LOCK, isHidden, READ_LOCK, TYPE_CACHED, TYPE_MEMORY, WRITE_LOCK

从类继承的字段 org.h2.engine.DbObject
AGGREGATE, comment, COMMENT, CONSTANT, CONSTRAINT, database, DOMAIN, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, SYNONYM, TABLE_OR_VIEW, trace, TRIGGER, USER

从接口继承的字段 org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

构造器概要

构造器
构造器和说明

MVTable(CreateTableData data, Store store)

构造器
构造器和说明
`MVTable(CreateTableData data, Store store)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`Index`	`addIndex(SessionLocal session, String indexName, int indexId, IndexColumn[] cols, int uniqueColumnCount, IndexType indexType, boolean create, String indexComment)` Create an index for this table
`void`	`addRow(SessionLocal session, Row row)` Add a row to the table and all indexes.
`boolean`	`canDrop()` Check if this table can be dropped.
`boolean`	`canGetRowCount(SessionLocal session)` Check if the row count can be retrieved quickly.
`boolean`	`canTruncate()` Check if this table can be truncated.
`ArrayList<SessionLocal>`	`checkDeadlock(SessionLocal session, SessionLocal clash, Set<SessionLocal> visited)` Check if a deadlock occurred.
`void`	`checkSupportAlter()` Check if this table supports ALTER TABLE.
`void`	`close(SessionLocal session)` Close the table object and flush changes.
`void`	`commit()` Mark the transaction as committed, so that the modification counter of the database is incremented.
`boolean`	`getContainsLargeObject()`
`long`	`getDiskSpaceUsed()`
`ArrayList<Index>`	`getIndexes()` Get all indexes for this table.
`int`	`getMainIndexColumn()` Returns ID of main index column, or `SearchRow.ROWID_INDEX`.
`String`	`getMapName()`
`long`	`getMaxDataModificationId()` Get the last data modification id.
`Row`	`getRow(SessionLocal session, long key)` Get the given row.
`long`	`getRowCount(SessionLocal session)` Get the row count for this table.
`long`	`getRowCountApproximation(SessionLocal session)` Get the approximated row count for this table.
`Column`	`getRowIdColumn()` Get the row id column if this table has one.
`Index`	`getScanIndex(SessionLocal session)` Get the scan index to iterate through all rows.
`TableType`	`getTableType()` Get the table type name
`protected void`	`invalidate()` Set the main attributes to null to make sure the object is no longer used.
`boolean`	`isDeterministic()` Check if the table is deterministic.
`boolean`	`isLockedExclusively()` Check if this table is locked exclusively.
`boolean`	`isLockedExclusivelyBy(SessionLocal session)` Check if the table is exclusively locked by this session.
`boolean`	`isRowLockable()` Views, function tables, links, etc. do not support locks
`boolean`	`lock(SessionLocal session, int lockType)` Lock the table for the given session.
`Row`	`lockRow(SessionLocal session, Row row)` Locks row, preventing any updated to it, except from the session specified.
`void`	`removeChildrenAndResources(SessionLocal session)` Delete all dependent children objects and resources of this object.
`void`	`removeRow(SessionLocal session, Row row)` Remove a row from the table and all indexes.
`String`	`toString()`
`long`	`truncate(SessionLocal session)` Remove all rows from the table and indexes.
`void`	`unlock(SessionLocal s)` Release the lock for this session.
`void`	`updateRow(SessionLocal session, Row oldRow, Row newRow)` Update a row to the table and all indexes.

从类继承的方法 org.h2.table.TableBase
getCreateSQL, getCreateSQLForMeta, getDropSQL, getMainIndexColumn, isGlobalTemporary

从类继承的方法 org.h2.table.Table
addConstraint, addDependencies, addDependentView, addSequence, addSynonym, addTrigger, canReference, checkWritingAllowed, compareValues, convertInsertRow, convertUpdateRow, createRow, doesColumnExist, dropMultipleColumnsConstraintsAndIndexes, findColumn, findPrimaryKey, fire, fireAfterRow, fireBeforeRow, fireRow, getBestPlanItem, getCheckForeignKeyConstraints, getChildren, getColumn, getColumn, getColumn, getColumns, getCompareMode, getConstraints, getDependentViews, getIdentityColumn, getIndex, getIndexForColumn, getNullRow, getOnCommitDrop, getOnCommitTruncate, getPrimaryKey, getRowFactory, getScanIndex, getSQLTableType, getTemplateRow, getTemplateSimpleRow, getTriggers, getType, hasSelectTrigger, isHidden, isInsertable, isPersistData, isPersistIndexes, isQueryComparable, isTableExpression, isView, removeColumnExpressionsDependencies, removeConstraint, removeDependentView, removeIndex, removeIndexOrTransferOwnership, removeSequence, removeSynonym, removeTrigger, rename, renameColumn, setCheckForeignKeyConstraints, setColumns, setHidden, setOnCommitDrop, setOnCommitTruncate, setTableExpression, updateRows

从类继承的方法 org.h2.schema.SchemaObject
getSchema, getSQL, getSQL

从类继承的方法 org.h2.engine.DbObject
checkRename, getComment, getCreateSQLForCopy, getDatabase, getId, getModificationId, getName, isTemporary, isValid, setComment, setModified, setObjectName, setTemporary

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

从接口继承的方法 org.h2.util.HasSQL
getTraceSQL

- 字段详细资料
  - WAITING_FOR_LOCK
```
public static final DebuggingThreadLocal<String> WAITING_FOR_LOCK
```
    The table name this thread is waiting to lock.
  - EXCLUSIVE_LOCKS
```
public static final DebuggingThreadLocal<ArrayList<String>> EXCLUSIVE_LOCKS
```
    The table names this thread has exclusively locked.
  - SHARED_LOCKS
```
public static final DebuggingThreadLocal<ArrayList<String>> SHARED_LOCKS
```
    The tables names this thread has a shared lock on.
- 构造器详细资料
  - MVTable
```
public MVTable(CreateTableData data,
               Store store)
```
- 方法详细资料
  - getMapName
```
public String getMapName()
```
  - lock
```
public boolean lock(SessionLocal session,
                    int lockType)
```
    从类复制的说明: Table
    
    Lock the table for the given session. This method waits until the lock is granted.
    
    覆盖:
    
    lock 在类中 Table
    
    参数:
    
    session - the session
    
    lockType - the type of lock
    
    返回:
    
    true if the table was already exclusively locked by this session.
  - unlock
```
public void unlock(SessionLocal s)
```
    从类复制的说明: Table
    
    Release the lock for this session.
    
    覆盖:
    
    unlock 在类中 Table
    
    参数:
    
    s - the session
  - close
```
public void close(SessionLocal session)
```
    从类复制的说明: Table
    
    Close the table object and flush changes.
    
    指定者:
    
    close 在类中 Table
    
    参数:
    
    session - the session
  - getRow
```
public Row getRow(SessionLocal session,
                  long key)
```
    从类复制的说明: Table
    
    Get the given row.
    
    覆盖:
    
    getRow 在类中 Table
    
    参数:
    
    session - the session
    
    key - the primary key
    
    返回:
    
    the row
  - addIndex
```
public Index addIndex(SessionLocal session,
                      String indexName,
                      int indexId,
                      IndexColumn[] cols,
                      int uniqueColumnCount,
                      IndexType indexType,
                      boolean create,
                      String indexComment)
```
    从类复制的说明: Table
    
    Create an index for this table
    
    指定者:
    
    addIndex 在类中 Table
    
    参数:
    
    session - the session
    
    indexName - the name of the index
    
    indexId - the id
    
    cols - the index columns
    
    uniqueColumnCount - the count of unique columns
    
    indexType - the index type
    
    create - whether this is a new index
    
    indexComment - the comment
    
    返回:
    
    the index
  - removeRow
```
public void removeRow(SessionLocal session,
                      Row row)
```
    从类复制的说明: Table
    
    Remove a row from the table and all indexes.
    
    指定者:
    
    removeRow 在类中 Table
    
    参数:
    
    session - the session
    
    row - the row
  - truncate
```
public long truncate(SessionLocal session)
```
    从类复制的说明: Table
    
    Remove all rows from the table and indexes.
    
    指定者:
    
    truncate 在类中 Table
    
    参数:
    
    session - the session
    
    返回:
    
    number of removed rows, possibly including uncommitted rows
  - addRow
```
public void addRow(SessionLocal session,
                   Row row)
```
    从类复制的说明: Table
    
    Add a row to the table and all indexes.
    
    指定者:
    
    addRow 在类中 Table
    
    参数:
    
    session - the session
    
    row - the row
  - updateRow
```
public void updateRow(SessionLocal session,
                      Row oldRow,
                      Row newRow)
```
    从类复制的说明: Table
    
    Update a row to the table and all indexes.
    
    覆盖:
    
    updateRow 在类中 Table
    
    参数:
    
    session - the session
    
    oldRow - the row to update
    
    newRow - the row with updated values (_rowid_ suppose to be the same)
  - lockRow
```
public Row lockRow(SessionLocal session,
                   Row row)
```
    从类复制的说明: Table
    
    Locks row, preventing any updated to it, except from the session specified.
    
    覆盖:
    
    lockRow 在类中 Table
    
    参数:
    
    session - the session
    
    row - to lock
    
    返回:
    
    locked row, or null if row does not exist anymore
  - getScanIndex
```
public Index getScanIndex(SessionLocal session)
```
    从类复制的说明: Table
    
    Get the scan index to iterate through all rows.
    
    指定者:
    
    getScanIndex 在类中 Table
    
    参数:
    
    session - the session
    
    返回:
    
    the index
  - getIndexes
```
public ArrayList<Index> getIndexes()
```
    从类复制的说明: Table
    
    Get all indexes for this table.
    
    指定者:
    
    getIndexes 在类中 Table
    
    返回:
    
    the list of indexes
  - getMaxDataModificationId
```
public long getMaxDataModificationId()
```
    从类复制的说明: Table
    
    Get the last data modification id.
    
    指定者:
    
    getMaxDataModificationId 在类中 Table
    
    返回:
    
    the modification id
  - removeChildrenAndResources
```
public void removeChildrenAndResources(SessionLocal session)
```
    从类复制的说明: DbObject
    
    Delete all dependent children objects and resources of this object.
    
    覆盖:
    
    removeChildrenAndResources 在类中 Table
    
    参数:
    
    session - the session
  - getRowCount
```
public long getRowCount(SessionLocal session)
```
    从类复制的说明: Table
    
    Get the row count for this table.
    
    指定者:
    
    getRowCount 在类中 Table
    
    参数:
    
    session - the session
    
    返回:
    
    the row count
  - getRowCountApproximation
```
public long getRowCountApproximation(SessionLocal session)
```
    从类复制的说明: Table
    
    Get the approximated row count for this table.
    
    指定者:
    
    getRowCountApproximation 在类中 Table
    
    参数:
    
    session - the session
    
    返回:
    
    the approximated row count
  - getDiskSpaceUsed
```
public long getDiskSpaceUsed()
```
    覆盖:
    
    getDiskSpaceUsed 在类中 Table
  - isRowLockable
```
public boolean isRowLockable()
```
    从类复制的说明: Table
    
    Views, function tables, links, etc. do not support locks
    
    覆盖:
    
    isRowLockable 在类中 Table
    
    返回:
    
    true if table supports row-level locks
  - commit
```
public void commit()
```
    Mark the transaction as committed, so that the modification counter of the database is incremented.
  - getMainIndexColumn
```
public int getMainIndexColumn()
```
    从类复制的说明: Table
    
    Returns ID of main index column, or SearchRow.ROWID_INDEX.
    
    覆盖:
    
    getMainIndexColumn 在类中 Table
    
    返回:
    
    ID of main index column, or SearchRow.ROWID_INDEX
  - canDrop
```
public boolean canDrop()
```
    从类复制的说明: Table
    
    Check if this table can be dropped.
    
    指定者:
    
    canDrop 在类中 Table
    
    返回:
    
    true if it can
  - canGetRowCount
```
public boolean canGetRowCount(SessionLocal session)
```
    从类复制的说明: Table
    
    Check if the row count can be retrieved quickly.
    
    指定者:
    
    canGetRowCount 在类中 Table
    
    参数:
    
    session - the session
    
    返回:
    
    true if it can
  - canTruncate
```
public boolean canTruncate()
```
    从类复制的说明: Table
    
    Check if this table can be truncated.
    
    覆盖:
    
    canTruncate 在类中 Table
    
    返回:
    
    true if it can
  - checkDeadlock
```
public ArrayList<SessionLocal> checkDeadlock(SessionLocal session,
                                             SessionLocal clash,
                                             Set<SessionLocal> visited)
```
    从类复制的说明: Table
    
    Check if a deadlock occurred. This method is called recursively. There is a circle if the session to be tested has already being visited. If this session is part of the circle (if it is the clash session), the method must return an empty object array. Once a deadlock has been detected, the methods must add the session to the list. If this session is not part of the circle, or if no deadlock is detected, this method returns null.
    
    覆盖:
    
    checkDeadlock 在类中 Table
    
    参数:
    
    session - the session to be tested for
    
    clash - set with sessions already visited, and null when starting verification
    
    visited - set with sessions already visited, and null when starting verification
    
    返回:
    
    an object array with the sessions involved in the deadlock, or null
  - checkSupportAlter
```
public void checkSupportAlter()
```
    从类复制的说明: Table
    
    Check if this table supports ALTER TABLE.
    
    指定者:
    
    checkSupportAlter 在类中 Table
  - getContainsLargeObject
```
public boolean getContainsLargeObject()
```
  - getRowIdColumn
```
public Column getRowIdColumn()
```
    从类复制的说明: Table
    
    Get the row id column if this table has one.
    
    覆盖:
    
    getRowIdColumn 在类中 Table
    
    返回:
    
    the row id column, or null
  - getTableType
```
public TableType getTableType()
```
    从类复制的说明: Table
    
    Get the table type name
    
    指定者:
    
    getTableType 在类中 Table
    
    返回:
    
    the table type name
  - isDeterministic
```
public boolean isDeterministic()
```
    从类复制的说明: Table
    
    Check if the table is deterministic.
    
    指定者:
    
    isDeterministic 在类中 Table
    
    返回:
    
    true if it is
  - isLockedExclusively
```
public boolean isLockedExclusively()
```
    从类复制的说明: Table
    
    Check if this table is locked exclusively.
    
    覆盖:
    
    isLockedExclusively 在类中 Table
    
    返回:
    
    true if it is.
  - isLockedExclusivelyBy
```
public boolean isLockedExclusivelyBy(SessionLocal session)
```
    从类复制的说明: Table
    
    Check if the table is exclusively locked by this session.
    
    覆盖:
    
    isLockedExclusivelyBy 在类中 Table
    
    参数:
    
    session - the session
    
    返回:
    
    true if it is
  - invalidate
```
protected void invalidate()
```
    从类复制的说明: DbObject
    
    Set the main attributes to null to make sure the object is no longer used.
    
    覆盖:
    
    invalidate 在类中 DbObject
  - toString
```
public String toString()
```
    覆盖:
    
    toString 在类中 DbObject

类 MVTable

字段概要

从类继承的字段 org.h2.table.Table

从类继承的字段 org.h2.engine.DbObject

从接口继承的字段 org.h2.util.HasSQL

构造器概要

方法概要

从类继承的方法 org.h2.table.TableBase

从类继承的方法 org.h2.table.Table

从类继承的方法 org.h2.schema.SchemaObject

从类继承的方法 org.h2.engine.DbObject

从类继承的方法 java.lang.Object

从接口继承的方法 org.h2.util.HasSQL

字段详细资料

WAITING_FOR_LOCK

EXCLUSIVE_LOCKS

SHARED_LOCKS

构造器详细资料

MVTable

方法详细资料

getMapName

lock

unlock

close

getRow

addIndex

removeRow

truncate

addRow

updateRow

lockRow

getScanIndex

getIndexes

getMaxDataModificationId

removeChildrenAndResources

getRowCount

getRowCountApproximation

getDiskSpaceUsed

isRowLockable

commit

getMainIndexColumn

canDrop

canGetRowCount

canTruncate

checkDeadlock

checkSupportAlter

getContainsLargeObject

getRowIdColumn

getTableType

isDeterministic

isLockedExclusively

isLockedExclusivelyBy

invalidate

toString